XI SYMPOSIUM ISAHP 2011
In this artiele the applieation of the Analytie Network Process (ANP) to establish priorities arnong the portfolio of rail infrastructure rnaintenance, rehabilitation and improvernent projects in the area of Valencia (Spain) is presented. The problem is complex because of the large number and variety of projects to be considered and the great number of criteria that must be taken into account in the decision analysis process. The present work is a continuation of a previons research hased on the AHP model. The present study analyzes the different priority values of a particular group of projects obtained in ANP and AHP as well as changes in the weigbts of the criteria and the possibility of eliminating minor criteria from the model for the sake of simplicity.